This product is an authentic original Adidas Chelsea away shirt from the 2009/2010 season, featuring short sleeves and the number 20 on the back for Deco. The blue shirt is suitable for adults and is a classic piece of sports memorabilia for fans of Chelsea Football Club. While it is not match worn, this item is a must-have for collectors and supporters of the English club. Made by Adidas, this shirt represents a piece of football history from that era.